Boosting Performance Through Creative Surgery

1JZ V12

Don Groff’s home-built V12 project is back with another update. This time we get another video of the amazing V12 running. For those who don’t remember the custom engine is made from two 1JZ inline-six engines. The engine runs on an EM Infinity ECU, ethanol fuel, and two Garrett GTX turbochargers. Source: Nicholas Tomsyck via … Read more

Nth Moto is helping hot rod builder Don Groff with his custom twin-turbo V12 with 1JZ heads. In our previous update we said Nth Moto would be releasing a startup video and now we have it. The engine runs on ethanol with two Garrett GTX turbochargers and an AEM Infinity ECU. More tuning is coming … Read more

Our favorite home-built V12 project is back with another update. Since our previous article the heads are finished, block machined, and pistons installed in the custom V12 made from two 1JZ inline-six engines. The owner also fixed a lot of small issues and leaks. The only thing left is the wiring harness Nth Moto is … Read more

Our favorite home-built V12 project is back with another update. Since our previous update the nose cone has been reworked which allows it to pivot forward making it easier for the driver to get in and out. The shifter and linkage is complete along with the rear wing. The builder modified the rear wing so … Read more

Our favorite home-built V12 project is back with another update. Since our previous article the builder has about 80% of the body work work completed and is working on seating, roll bar, pedals, and steering wheel. The custom twin-turbo V12 engine is receiving help from Nth Moto in Shakopee, Minnesota. The engine still needs machine … Read more

Our favorite home-built V12 project is back with two updates. Since our previous article the builder has decided to increase the rear wheel size from 28×12 to 31×16. This change required a lot of work such as modifying the frame and upper shock mounts and moving the radiator, intercooler and brake ducts. It also required … Read more